Dark matter and dark energy are two things we measure in the universe that are making things happen, and we have no idea what the cause is.
Neil deGrasse TysonI think that intelligence is such a narrow branch of the tree of life - this branch of primates we call humans. No other animal, by our definition, can be considered intelligent. So intelligence can't be all that important for survival, because there are so many animals that don't have what we call intelligence, and they're surviving just fine.
Neil deGrasse TysonI think the best thing a parent can do, when raising a child, is simply get out of their way.
Neil deGrasse TysonMy investment of time, as an educator, in my judgment, is best served teaching people how to think about the world around them. Teach them how to pose a question. How to judge whether one thing is true versus another.
Neil deGrasse Tyson